
  TYPE
    iot$tape_request_block = packed record
      request_code: ALIGNED [0 MOD 8] syt$monitor_request_code,
      io_request_p: ^iot$io_request,
      status: syt$monitor_status,
    recend;

*copyc IOT$IO_REQUEST
*copyc SYC$MONITOR_REQUEST_CODES
*copyc SYT$MONITOR_REQUEST_CODE
